US3757706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for incinerating polluted liquids and mud
Assignee: Elf Union
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Filing: 1971-04-12
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Granted: 1973-09-11
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Expires: 1991-04-12
Abstract
Abstract A method and apparatus for incinerating polluted liquids and mud, into which are sprayed, in the presence of an oxidizer and inside a reaction chamber, a mixture formed by the mutual dispersion of non-miscible phases at least one of which contains polluting agents to be destroyed and at least one of which is liquid.
Inventors
- 👤 J Pariel
- 👤 G Robic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:39
CPC Classifications
F; F23; F23G; F23G7/00; F23G7/001; C; C02; C02F; C02F11/00; C02F11/06; Y; Y02; Y02W; Y02W10/00; Y02W10/40
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
113 words
A method of destroying polluting agents contained in liquids or mude comprising the steps of producing a pseudo-homogeneous mixture in a state of fine division through the mutual dispersion of non-miscible phases of which at least one phase is polluted and at least one phase is combustible, pulverizing the mixture in a reaction chamber, gasifying and burning the pulverized misture in the reaction chamber, and recirculating the gaseous substances developed in said chamber in an annular vortex from the center line centrifugally towards the downstream region of said chamber in contact with the walls thereof and centrifugally from the walls to the center line of said chamber adjacent the zone of entry thereinto.
Claim 2
Independent Claim
113 words
A method of destroying polluting agents contained in liquids or mude comprising the steps of producing a pseudo-homogeneous mixture in a state of fine division through the mutual dispersion of non-miscible phases of which at least one phase is polluted and at least one phase is combustible, pulverizing the mixture in a reaction chamber, gasifying and burning the pulverized misture in the reaction chamber, and recirculating the gaseous substances developed in said chamber in an annular vortex from the center line centrifugally towards the downstream region of said chamber in contact with the walls thereof and centrifugally from the walls to the center line of said chamber adjacent the zone of entry thereinto.
Claim 3
Dependent Claim
39 words
A method according to claim 1, wherein at least one liquid phase is formed by a polluted substance which is only slightly or non-combustible, and at least one other phase may be liquid or gaseous and polluted or non-polluted.
Claim 4
Dependent Claim
32 words
A method according to claim 1, wherein an oxygen-avid combustible polluted phase is mixed with a preferably neutral non-polluted liquid phase which acts as a reaction moderator while retaining its mixing action.
Claim 5
Dependent Claim
86 words
Apparatus for destroying polluting agents contained in liquids or muds comprising in combination mixing means for dispersing at least one liquid phase through at least one combustible phase and wherein at least one of said phases contains polluting agents, and producing a pseudo-homogeneous mixture, pulverizing means located downstream from said mixing means for forming a very large number of reaction media particles and enhance oxidation thereof, a recirculation type reaction chamber located downstream from said pulverizing means and an expansion chamber located beyond said reaction chamber.
Claim 6
Dependent Claim
86 words
Apparatus for destroying polluting agents contained in liquids or muds comprising in combination mixing means for dispersing at least one liquid phase through at least one combustible phase and wherein at least one of said phases contains polluting agents, and producing a pseudo-homogeneous mixture, pulverizing means located downstream from said mixing means for forming a very large number of reaction media particles and enhance oxidation thereof, a recirculation type reaction chamber located downstream from said pulverizing means and an expansion chamber located beyond said reaction chamber.
Claim 7
Dependent Claim
53 words
Apparatus according to claim 12 wherein the reaction chamber wall includes a cylindrical portion the ratio of the length to the diameter of which is included substantially between 3:1 and 4:1, a convergent section having an apex half-angle of approximately 22*, and a cylindrical outlet throat provided with a downstream partial throttling element.
Claim 8
Dependent Claim
48 words
Apparatus according to claim 12 wherein the reaction chamber comprises a wall which includes a conical convergent section the ratio of the length to inlet-section diameter of which is at least 3:1, said conical convergent section being followed by a cylindrical wall provided with a partial throttling element.
Claim 9
Dependent Claim
92 words
Apparatus according to claim 12 wherein the reaction chamber comprises a wall including an inlet section and which wall combines an initial conical convergent section with a cylindrical section downstream thereof, the combined conical section and cylindrical section having an overall length at least three times as great as the diameter of the inlet section, said cylindrical section being followed by a convergent section, the apex half-angle of which is between 18* and 22*, and which convergent section is in turn followed by a cylindrical throat provided with a partial throttling element.
Claim 10
Dependent Claim
23 words
Apparatus according to claim 12 wherein the area of the internal reaction chamber wall is increased by channels and refractory studs located thereon.
Claim 11
Dependent Claim
21 words
Apparatus according to claim 12 including means located on said reaction chamber for injecting a complementary mixture in a counterstream direction.
Claim 12
Dependent Claim
26 words
Apparatus according to claim 8, wherein the complementary injection is effected through the reaction chamber wall downstream of the place of generation of an annular vortex.
Claim 13
Dependent Claim
96 words
Apparatus according to claim 12 wherein the reaction chamber is multicellular and formed by a plurality of individual chambers open at their outlet ends and the lengths of which are equal to at least twicE their diameters, said plurality of chambers being disposed within and opening into a main homogenization chamber which may be cylindrical, conical or conical and cylindrical and which terminates in a convergent section having an apex half-angle of approximately 22*, which convergent section is in turn followed by a cylindrical throat provided with partial throttling means and opening into an expansion chamber.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |